Question
Find out the meaning of the terms bio-degradable and non bio-degradable. Which kind of material is better to use? Why?
Solution
Bio-degradable: Those things which can be degraded in due time. Such as woods, earthen pots, farm wastes etc..
Non-biodegradable: Those articles which are not degraded in due course such as plastics goods.
Bio-degradable material is better to use. They do not pollute the environment.
